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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-16288) HFile intermediate block level indexes might recurse forever creating multi TB files
Date Tue, 26 Jul 2016 21:54:20 GMT

    [ https://issues.apache.org/jira/browse/HBASE-16288?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15394616#comment-15394616
] 

Hadoop QA commented on HBASE-16288:
-----------------------------------

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|| Vote || Subsystem || Runtime || Comment ||
| {color:green}+1{color} | {color:green} hbaseanti {color} | {color:green} 0m 0s {color} |
{color:green} Patch does not have any anti-patterns. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s {color} | {color:green}
The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m 0s {color}
| {color:green} The patch appears to include 1 new or modified test files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 2m 57s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 37s {color} |
{color:green} master passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 34s {color} |
{color:green} master passed with JDK v1.7.0_80 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 53s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 15s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 56s {color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 27s {color} |
{color:green} master passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 36s {color} |
{color:green} master passed with JDK v1.7.0_80 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 45s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 44s {color} |
{color:green} the patch passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 44s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 35s {color} |
{color:green} the patch passed with JDK v1.7.0_80 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 35s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 52s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 17s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 0s {color}
| {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 26m 31s {color}
| {color:green} Patch does not cause any errors with Hadoop 2.4.0 2.4.1 2.5.0 2.5.1 2.5.2
2.6.1 2.6.2 2.6.3 2.7.1. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 13s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 26s {color} |
{color:green} the patch passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 33s {color} |
{color:green} the patch passed with JDK v1.7.0_80 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 93m 5s {color} | {color:green}
hbase-server in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 15s {color}
| {color:green} Patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 134m 53s {color} | {color:black}
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|| Subsystem || Report/Notes ||
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12820258/hbase-16288_v2.patch
|
| JIRA Issue | HBASE-16288 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  hbaseanti  checkstyle
 compile  |
| uname | Linux asf901.gq1.ygridcore.net 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep
3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/component/dev-support/hbase-personality.sh
|
| git revision | master / bcf409e |
| Default Java | 1.7.0_80 |
| Multi-JDK versions |  /home/jenkins/tools/java/jdk1.8.0:1.8.0 /home/jenkins/jenkins-slave/tools/hudson.model.JDK/JDK_1.7_latest_:1.7.0_80
|
| findbugs | v3.0.0 |
|  Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/2778/testReport/ |
| modules | C: hbase-server U: hbase-server |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/2778/console |
| Powered by | Apache Yetus 0.2.1   http://yetus.apache.org |


This message was automatically generated.



> HFile intermediate block level indexes might recurse forever creating multi TB files
> ------------------------------------------------------------------------------------
>
>                 Key: HBASE-16288
>                 URL: https://issues.apache.org/jira/browse/HBASE-16288
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Enis Soztutar
>            Assignee: Enis Soztutar
>            Priority: Critical
>             Fix For: 2.0.0, 1.3.0, 1.4.0, 1.1.6, 1.2.3
>
>         Attachments: hbase-16288_v1.patch, hbase-16288_v2.patch, hbase-16288_v3.patch
>
>
> Mighty [~elserj] was debugging an opentsdb cluster where some region directory ended
up having 5TB+ files under <regiondir>/.tmp/ 
> Further debugging and analysis, we were able to reproduce the problem locally where we
never we recursing in this code path for writing intermediate level indices: 
> {code:title=HFileBlockIndex.java}
> if (curInlineChunk != null) {
>         while (rootChunk.getRootSize() > maxChunkSize) {
>           rootChunk = writeIntermediateLevel(out, rootChunk);
>           numLevels += 1;
>         }
>       }
> {code}
> The problem happens if we end up with a very large rowKey (larger than "hfile.index.block.max.size"
being the first key in the block, then moving all the way to the root-level index building.
We will keep writing and building the next level of intermediate level indices with a single
very-large key. This can happen in flush / compaction / region recovery causing cluster inoperability
due to ever-growing files. 
> Seems the issue was also reported earlier, with a temporary workaround: 
> https://github.com/OpenTSDB/opentsdb/issues/490



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